Angular contact ball bearings

HKF080AP4 - Thin Section Angular Contact Ball Bearings

Manufactured by CHG Bearing, the HKF080AP4 is a precision Thin Section Angular Contact Ball Bearings. Key dimensional parameters include a 203.2 mm bore diameter, a 241.3 mm outer diameter, and a 19.05 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.

Technical Specifications

Overview
Part NumberHKF080AP4
BrandCHG®
Characteristics
Bearing TypeAngular Contact Ball Bearing
SeriesKF
Seal TypeOpen
Load DirectionCombined Radial and Unidirectional Axial
Row ConfigurationSingle Row
Dimensions
Bore Diameter (d)203.2 mm
Width (B)19.05 mm
Outer Diameter (D)241.3 mm
Bore Diameter Tolerance-0.01-0 mm
Outside Diameter Tolerance-0.01-0 mm
Width Tolerance-0.127-0 mm
Inner-Ring Land Diameter (L1 / d1)217.297 mm
Outer-Ring Land Diameter (L2 / D1)227.203 mm
Counterbore Diameter L3231.394 mm
Performance
Basic Static Radial Load Rating C0r (N)52140 N
Basic Dynamic Radial Load Rating Cr (N)23300 N
Basic Static Axial Load Rating C0a (N)150510 N
Basic Dynamic Axial Load Rating Ca (N)56320 N
Material
Mass (kg)1.66 kg
Ring MaterialStainless Steel / Bearing Steel
Cage MaterialBrass / PEEK / Polyimide / Phenolic Resin Fabric Laminate
Ball MaterialStainless Steel / Bearing Steel / Ceramic
Operating Temperature Range (°C)-50 to +100 °C °C
Precision ClassP4
Radial Internal ClearanceN/A mm
CAD Drawing and Dimensions for HKF080AP4 Thin Section Angular Contact Ball Bearings HKF080AP4 241.3 mm 203.2 mm 19.05 mm

Frequently Asked Questions about HKF080AP4 Thin Section Angular Contact Ball Bearings

Find key technical answers regarding dimensions, specifications, and replacement options for this model.

In its sealed configuration (Open), CHG Bearing pre-charges HKF080AP4 with premium wide-temperature lithium-complex or polyurea grease, calibrated to a 30%–35% cavity volume ratio. For open-type variants, synthetic PAO or refined mineral lubricating oils with appropriate EP (Extreme Pressure) additives should be circulated.
To match diverse operational dynamics, CHG Bearing supplies HKF080AP4 with multiple cage configurations: high-strength pressed steel ribbon cages for standard duty, solid machined brass cages (M/CA) for heavy vibration and shock loads, or lightweight glass-fiber reinforced polyamide cages (TN9/TVP) for high acceleration and ultra-low noise.
Quality starts with raw material selection: CHG Bearing crafts HKF080AP4 inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
As standard production, CHG Bearing subjects HKF080AP4 to precision bainite or martensite quenching, offering dimensional stability up to 120°C (248°F). For high-heat processing equipment, CHG Bearing also supplies custom S0 (150°C), S1 (200°C), or S2 (250°C) stabilization heat treatments upon request to prevent residual austenite transformation.
HKF080AP4 - Thin Section Angular Contact Ball Bearings CAD Drawing HKF080AP4 241.3 mm 203.2 mm 19.05 mm